000 00643nam a2200205 a 4500
001 vtls000000205
003 MTX
008 960804c1991 enga b 00110 eng d
020 _a0205137938
039 9 _a201507171141
_bser3
_c201311070721
_dVLOAD
_c201105091710
_dVLOAD
_c201008280815
_dVLOAD
_y200206121342
_zload
050 0 0 _aLB1028
_bW517
093 _aED001 ED002 ED003
100 1 _aWiersma, William.
_95759
245 1 0 _aResearch methods in education : An introduction /
_cWilliam Wiersma
250 _a5th ed.
260 _aLondon :
_bAllyn and Bacon,
_c1991
300 _a443 p. :
_bill
650 0 _aEducation
_xResearch.
_95756
942 _cGBE
999 _c201
_d201